A) \[{{C}_{6}}{{H}_{5}}C{{O}_{2}}C{{H}_{3}}\]
B) \[C{{H}_{3}}C{{O}_{2}}{{C}_{6}}{{H}_{5}}\]
C) \[Sn/HCl\]
D) \[{{H}_{2}}/Pd-C\]
Correct Answer: D
Solution :
The substituent groups which direct incoming group to ortho and para position are called ortho-para directing group or deactivating group as they increase the electron density at o-.p-positions (Benzene nucleus undergo electrophilic substitution reaction) e.g., \[Mn{{O}_{2}}\] \[+II\]etc. The substituents which direct the incoming group at meta position are called meta directing group or ring deactivating group as it reduces the electron density at o-,p-position so the electron density is comparatively more at m-position where the incoming group attacks. e.g. \[+III\] \[La\]etc.
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